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Installer Selectable Acoustic
Fine Tuning
Installers can select to de-emphasize the
bass or treble by 2dB to accommodate
reflective surfaces and corner loading.
This selection is accomplished via baffle-
mounted controls that are accessible after
the speaker has been installed.
MicroPerf
™
Grilles
The CM5HD, CM6HD and CM8HD
employ Niles exclusive MicroPerf
™
grille
construction. the exceptionally tight
hole pattern provides acoustic trans-
parency at all audio frequencies and
enables the speaker elements to remain
invisible. MicroPerf grilles can also be
painted to blend seemlessly with the
surrounding decor.
Easy Installation
The CM5HD, CM6HD and CM8HD
employ a bracketless mounting system in
existing ceilings. Simply cut a hole in the
mounting surface, remove the grille from
the speaker, connect the wires and place
the speaker in the hole. Then tighten the
four mounting “dogs” via the front panel
screws. The dogs first swivel 90°, then
clamp the speaker frame to the drywall as
you tighten the screws.
4 or 8 ohm Selectable Impedance
The dual voice coil feature of the
CM5HD, CM6HD and CM8HD gives the
installer flexibility to select the speaker’s
impedance — 4 ohms for systems where
maximum current transfer and output
level is desired; 8 ohms for systems utiliz-
ing multiple speaker pairs where amplifier
loading is a consideration.
Hole Saving Bracket
Available as an optional accessory, CM5
Series, CM6 Series and CM8 Series New
Construction Brackets can be installed as a
“hole-saver” before the drywall goes up.
The drywall contractor cuts the holes as
the drywall is installed, reducing installa-
tion time and minimizing the chance for
lost wires.
Features and Benefits
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